Local — Week of Sept. 30

•North Central Chamber of Commerce's Dollars & Sense referral group will meet from 4 to 5:30 p.m. in the Chamber Conference Room, 860 South St., Fitchburg. This meeting is open to all chamber members. Guests are welcome. For more information, contact Yasmin at (978) 353-7600, ext. 234, or loft@massweb.org.

•The Worcester Regional Chamber of Commerce's Ambassador Group will meet from 7:45 to 9 a.m. in the Chamber Conference Room, 446 Main St, Suite 200, Worcester.

•The North Central Chamber of Commerce's Executive Women's Network will meet for a brown bag lunch from 11:45 a.m. to 1:30 p.m. at Doyle Conservation Center, 464 Abbott Ave, Leominster. The event will include table tops presented by local businesses ($30 for members, $50 for nonmembers) as well as raffles. The sponsor will be HealthAlliance. For more information, contact Maria at botti@massweb.org or (978) 353-7600, ext. 235.

•The West Side Business Network is sponsoring a briefing by Worcester Regional Airport Director Andrew Davis from 6 to 7:15 p.m. at the airport terminal building. RSVP to worcwestsidebiz@gmail.com.

•Harpoon Brewery will hold an Octoberfest event from 7 to 9 p.m. at Hogan Campus Center, College of the Holy Cross, Worcester. The event will include a presentation by author Peter Senge and the founders of Harpoon Brewery. To register, go to harpoonstory.com.

•The fourth Massachusetts Green Career Conference will be held starting at 8 a.m. at the Holiday Inn, 265 Lakeside Ave., Marlboro. Tickets, which can be purchased at greencareer.eventbrite.com, are $75 and $45 for students. Tickets cover speakers, exhibitors, coaching, networking, roundtable discussions, lunch and breakfast. For more information, go to MassGreenCareers.com.

•Sovereign Bank will sponsor a free QuickBooks seminar for small businesses at 9 a.m. at Accounting Solutions Inc., 51 Gold Star Blvd., second floor, Worcester. Registration is required; call (508) 753-3532. Phillip Johnnene, a certified public accountant and Certified Pro-Advisor with QuickBooks will teach the seminar.

The Small Business Development Center at Clark University will hold a seminar, “Starting a Business (Build Your Management Team),” from 9 a.m. to noon in the Grace Conference Room, Higgins University Center at Clark. Registration is 8:45 a.m. The speakers will be accountant Joseph Grimaldo from O'Connor, Maloney & Co., PC in Worcester; lawyer Mary Casey from The Harbor Law Group in Northboro; and Lisa Hirbour, vice president, and Claire Cheevers, employee benefits manager at The Feingold Cos. in Worcester. The cost is $39. Checks should be made out to: Clark University and mailed to Clark University SBDC, Penny Tiernan, 950 Main St., Worcester, MA 01610-1477. For more information, call (508) 793-7615 or email sbdc@clarku.edu.

•The Marlboro Regional Chamber of Commerce will hold its annual Biz2Biz EXPO from 4 to 7:30 p.m. at the Marlboro Courtyard by Marriott at Route 20 west and Felton Street. This year's expo will include a jobs fair. To register, call the chamber at (508) 485-7746.

•Merchant's Fabrication Inc., 13 Elm St., Auburn, will hold an open house to celebrate the first Manufacturing Day from 8:30 a.m. to 3 p.m. The company will demonstrate its water jet, welding and forming equipment. Those who register will receive a personalized souvenir. The event will include refreshments and door prizes. To register and for more information, contact Anne-Marie at AMGates@merchantsfabrication.com, or visit mfgday.com. The company's neighbor, Amercian Steel and Aluminum, will also be celebrating Manufacturing Day with an open house.